{
  "manageEntity": {
    "action": "Repost",
    "entityId": "501619159",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x18035ca0f9b606396a036f82dc72ef1f083ed01f70dd7fcb6f81cfbb5343393c",
    "signature": "0xbc3c2d0e5cabf24ea053787e153c1fa8fb5685c2b8f8d9b0a5d521f0ebca840d3815a98e1551c328990e495c7402760beb9d32b32e8e75820f9af0cb0b6451eb1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}